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422301531 = 3791781863
BaseRepresentation
bin11001001010111…
…100111101011011
31002102122010210110
4121022330331123
51331102122111
6105523215403
713315334541
oct3112747533
91072563713
10422301531
111a7418433
12b9517563
136964c482
144012bd91
152711b5a6
hex192bcf5b

422301531 has 8 divisors (see below), whose sum is σ = 570196480. Its totient is φ = 277970472.

The previous prime is 422301511. The next prime is 422301553. The reversal of 422301531 is 135103224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422301531 - 217 = 422170459 is a prime.

It is a super-3 number, since 3×4223015313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422301498 and 422301507.

It is not an unprimeable number, because it can be changed into a prime (422301511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890695 + ... + 891168.

It is an arithmetic number, because the mean of its divisors is an integer number (71274560).

Almost surely, 2422301531 is an apocalyptic number.

422301531 is a deficient number, since it is larger than the sum of its proper divisors (147894949).

422301531 is a wasteful number, since it uses less digits than its factorization.

422301531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781945.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 422301531 is about 20549.9764233441. The cubic root of 422301531 is about 750.2526739760.

Adding to 422301531 its reverse (135103224), we get a palindrome (557404755).

The spelling of 422301531 in words is "four hundred twenty-two million, three hundred one thousand, five hundred thirty-one".

Divisors: 1 3 79 237 1781863 5345589 140767177 422301531